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40 years ago, classified Shuttle mission foreshadowed Challenger's fatal flaw
Mattingly also flew with Henry "Hank" Hartsfield on Space Shuttle Columbia for STS-4 in 1982 ... it could easily have mirrored the Challenger disaster a year later. Managers had delayed the ...
NASASpaceFlight.com6y
Thirty years after Return To Flight from Challenger,…
Thirty years ago this weekend, after a two and a half year stand down and an extremely difficult external- and self-examination of a lack of safety within the program, NASA succeeded in returning ...